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View 3D VTK Files Online

Use this free tool to view your 3D VTK (Visualization Toolkit) files online without needing to install any software. Our VTK viewer tool will generate a real-time 3D preview of your VTK file with Pan and Zoom controls, allowing you to see your 3D model from any angle.

Our VTK viewing tool can load most VTK files, and we are working on improvements all the time to improve compatibility with all file formats. If you are looking to convert your 2D image files to 3D files, such as STL, then we have a 2D to 3D conversion tool here.

How to View your VTK File Online?

Here are two simple steps to display your VTK file in any web browser.

Upload an VTK

Click the "Upload a File" button and select an VTK to upload. The maximum file size is 100MB.

View your VTK

Once processed, your VTK file will be displayed in the web browser.

Frequently Asked Questions

How can I view my VTK file online?

First, click the "Upload..." button and select the VTK file you wish to view. Once your VTK file has been received it will be displayed in your browser.

How long does it take to view my VTK file?

We aim to process all VTK file viewing requests as quickly as possible, this usually takes around 5 seconds but can be more for larger or more complex files so please be patient.

How accurate is the VTK file viewer?

We aim to create the most accurate rendition of your VTK file with our tools. Our tools are under constant development with new features and improvements being added every week.

Is it safe to view my VTK file on ImageToStl.com?

Yes, of course! We do not store the VTK file you submit. The generated preview file within your browser is deleted after 15 minutes,

Can I view my VTK file on Windows, Linux, Android, iOS or Mac OS?

Yes! Our VTK file viewer will run on any system with a modern web browser. No specialist software is needed to use our file viewing tools.

VTK Features

  • Mesh Geometry (Vertices and Faces)
  • Vertex Normals
  • Face Normals
  • Vertex Colors
  • Face Materials (Excluding textures)
  • Textures
  • Point Cloud
  • Multiple Objects Per File
  • Object Transforms (Translation, Rotation, and Scale)
  • Bones/Joints
  • Animations
  • Suitable for 3D Printing

File Format Information for VTK

Full NameVisualization Toolkit
Type3D Model
Mime Typeapplication/octet-stream
ToolsVTK Converters, 3D Model Voxelizer, Create VTK Animation, Text to VTK, VTK Viewer


The VTK file format is a 3D modeling and graphics format supported by the Visualization Toolkit. Created in the '90s, the Visualization Toolkit provides a series of data and visual tools for advanced 3D modeling applications. Some example functions of the toolkit include polygon simplification, mesh repair and smoothing, and more.

The format has evolved over the years. It started out as a simple text-based format that could be edited within a simple text editor. Additional features have been added over the years, with the most recent version of the format supporting an XML-based format.

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